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    <title>Video DownloadHelper - 强大的视频下载工具</title>
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    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
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        .serif-font {
            font-family: 'Noto Serif SC', serif;
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        .gradient-bg {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
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        .feature-icon {
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        .feature-icon:hover {
            transform: scale(1.1) rotate(5deg);
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        .hero-text {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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            font-size: 4rem;
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            font-weight: 700;
            margin-right: 0.5rem;
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            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
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        .float-animation {
            animation: float 3s ease-in-out infinite;
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</head>
<body class="bg-gray-50">
    <!-- Hero Section -->
    <section class="gradient-bg text-white py-20 px-6">
        <div class="max-w-6xl mx-auto text-center">
            <div class="mb-8 float-animation">
                <i class="fas fa-download text-6xl opacity-90"></i>
            </div>
            <h1 class="text-5xl md:text-6xl font-bold mb-6 serif-font">Video DownloadHelper</h1>
            <p class="text-xl md:text-2xl mb-8 opacity-90">强大的视频下载工具，支持 1000+ 网站</p>
            <div class="flex flex-wrap justify-center gap-6 text-lg">
                <div class="flex items-center gap-2">
                    <i class="fas fa-users"></i>
                    <span>600万用户信任</span>
                </div>
                <div class="flex items-center gap-2">
                    <i class="fas fa-star"></i>
                    <span>4.5星评价</span>
                </div>
                <div class="flex items-center gap-2">
                    <i class="fas fa-globe"></i>
                    <span>1000+网站支持</span>
                </div>
            </div>
            <a href="https://www.downloadhelper.net/" target="_blank" class="inline-block mt-8 bg-white text-purple-700 px-8 py-4 rounded-full font-semibold hover:bg-gray-100 transition-all duration-300 hover:shadow-lg">
                <i class="fas fa-external-link-alt mr-2"></i>访问官网
            </a>
        </div>
    </section>

    <!-- Introduction Section -->
    <section class="py-16 px-6">
        <div class="max-w-4xl mx-auto">
            <div class="bg-white rounded-2xl shadow-xl p-8 md:p-12">
                <p class="text-lg leading-relaxed text-gray-700">
                    <span class="drop-cap serif-font">下</span>载Video DownloadHelper 是一个功能强大的视频下载工具，它支持从 1000+ 个网站下载视频，被 600 万用户信任。该工具在扩展程序商店获得了 4.5 星的评价。除了基础的视频下载功能，Video DownloadHelper 还支持直播录制、视频归档、高清视频下载、视频格式转换以及音频提取功能。
                </p>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section class="py-16 px-6 bg-gray-100">
        <div class="max-w-6xl mx-auto">
            <h2 class="text-4xl font-bold text-center mb-12 serif-font hero-text">核心功能</h2>
            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">
                <!-- Feature 1 -->
                <div class="bg-white rounded-xl p-8 card-hover">
                    <div class="text-purple-600 mb-4 feature-icon inline-block">
                        <i class="fas fa-user-shield text-4xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">无痕跟踪</h3>
                    <p class="text-gray-600 leading-relaxed">Video DownloadHelper 高度尊重用户隐私，不会跟踪用户操作。</p>
                </div>

                <!-- Feature 2 -->
                <div class="bg-white rounded-xl p-8 card-hover">
                    <div class="text-purple-600 mb-4 feature-icon inline-block">
                        <i class="fas fa-broadcast-tower text-4xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">Live Stream Support</h3>
                    <p class="text-gray-600 leading-relaxed">提供直播流的下载功能，让用户可以在离线状态下观看直播内容。</p>
                </div>

                <!-- Feature 3 -->
                <div class="bg-white rounded-xl p-8 card-hover">
                    <div class="text-purple-600 mb-4 feature-icon inline-block">
                        <i class="fas fa-archive text-4xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">Archive Videos</h3>
                    <p class="text-gray-600 leading-relaxed">允许用户归档和保存他们喜欢的视频内容，确保即便在视频离线时也能够查看。</p>
                </div>

                <!-- Feature 4 -->
                <div class="bg-white rounded-xl p-8 card-hover">
                    <div class="text-purple-600 mb-4 feature-icon inline-block">
                        <i class="fas fa-film text-4xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">HD Download and Conversion</h3>
                    <p class="text-gray-600 leading-relaxed">支持高清视频的下载，并能将视频转换成用户偏好的格式，以便在不同设备上享览。</p>
                </div>

                <!-- Feature 5 -->
                <div class="bg-white rounded-xl p-8 card-hover">
                    <div class="text-purple-600 mb-4 feature-icon inline-block">
                        <i class="fas fa-music text-4xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">Audio Download</h3>
                    <p class="text-gray-600 